Class: RunSSHLib::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/runsshlib/cli.rb

Constant Summary collapse

COMMAND = 
%w(shell add del update print import export cpid scp)
MAIN_HELP = 
"Usage: runssh [global_options] COMMAND [options] <path>\n\nA utility to bookmark multiple ssh connections in heirarchial order.\nFor a better understanding of host definitions and bookmarks, Read\nthe provided README.rdoc or go to http://github.com/babysnakes/runssh.\n\nCOMMAND : One of the commands mentioned below. It's possible to\n          type only part of the command as long as it's not ambiguous.\n<path>  : A space-separated list of names (e.g, one two three) that\n          leads to a host definition. For available completions\n          append \" ?\" to the end of path.\n\nAvailable commands:\n* shell  : Open ssh shell on remote host\n* scp    : Copy files from/to remote host\n* add    : Add host definition\n* del    : Delete host definition\n* update : Update host definition\n* print  : Print host definition\n* import : Import configuration\n* export : Export configuration\n* cpid   : Copy ssh public key to authorized_keys on remote host\n\nFor help on commands run:\nrunssh help COMMAND\n\nGlobal options:\n"

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ CLI

Initialize new CLI instance and parse the supplied arguments.



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# File 'lib/runsshlib/cli.rb', line 56

def initialize(args)
  args.unshift '-h' if args.empty?
  @global_options = parse_args(args)
  exit_with_help if args == ['help']
  return if @global_options[:update_config]

  # workaround to enable 'help COMMAND' functionality.
  if args.first == 'help'; args.shift; args << '-h'; end
  # indicate path completion request
  @completion_requested = args.delete('?') ? true : false # flag for required options
  @cmd = extract_subcommand(args)
  @options = parse_subcommand(@cmd, args)
  @c = init_config
  # path in ConfigFile uses symbols and not strings
  @path = args.map { |e| e.to_sym }
rescue ConfigError, InvalidSubCommandError, Errno::ENOENT => e
  Trollop.die e.message
rescue OlderConfigVersionError => e
  message = construct_update_config_message e.message
  HighLine.new.say(message)
  exit 1
end

Instance Method Details

#run ⇒ Object

run



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# File 'lib/runsshlib/cli.rb', line 80

def run
  if @global_options[:update_config]
    run_update_config
  elsif @completion_requested
    puts @c.list_groups(@path)
  else
    command_name = 'run_' + @cmd
    m = method(command_name.to_sym)
    m.call(@path)
  end
rescue ConfigError, ParametersError => e
  Trollop.die e.message
rescue AbortError => e
  abort e.message
end